If Mr. X and others are likely to examine the e-mail, then it's good to address Mr. X directly in that e-mail. By using his name, you may enable it to be distinct you are thanking him rather than the Some others.
I actually won't be able to think about an illustration wherever a single could be proper and another a person wouldn't be, I do think They are just about interchangeable. Probably some other person can.
The instance you gave ("I discussed the files you sent by way of") looks like some thing an individual would say here in AE, but it really just indicates "I talked about the paperwork you despatched."
I click here also have already been vulnerable to indicating "you way too", etc. I are convinced they all is often taken either being a good or maybe a damaging, based on the tone of voice and condition.
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